Android : Regarding Storing Of Data From User In Database
Aug 19, 2010
I am working on some sample programs, where i have to take the value from the user and store it in the database. I have used DroidDraw to create the XML code for UI.For now, I have just started with a textbox. So, I have to take the value from this textbox and store it in a database. I am using SQlite browser to create tables. I read in some forums, that one way of doing this.
1. Copy the db file in the asset folder of the android project and use the AssetManager class. But i am not able to figure out how to use the asset manager class here. Or if I could get some simpler suggestions on how to store the value from user into the database, it would be great.
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Jun 20, 2010
Will the data still be there after the user restarts his / her phone or changes SIM / battery?
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May 9, 2010
I am trying to design a sqlite database that will store notes. Each of these notes will have common fields like title, due date, details, priority, and completed.
In addition though, I would like to add data for more specialized notes like price for shopping list items and author/publisher data for books.
I also want to have a few general purpose fields that users can fill with whatever text data they want. How can I design my database table in this case?
I could just have a field for each piece of data for every note, but that would waste a lot of fields and I'd like to have other options and suggestions.
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Mar 27, 2010
Is there a way for an Android user to browse the SQLite databases on his/her phone and view the data in the databases?
I use the SoftTrace beta program a lot. It's great but has no way that I can find to download the data it tracks to a PC.
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Sep 20, 2012
i build application....and i want to back up my database when user click "clear data" in manage application... because data is lost...some data is very critical for process in my application...how can i solved this?
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Nov 16, 2010
I would like to store an object into a SQLlite database. I am looking for how to best do it in order to ensure that if I need to updata/change this object in the future that users of the new and old object layout will be minimally impacted. In other words I want to ensure that making changes to the object will have minimum affect on clients that do not update their software on the old database format.
I want to also ensure an easy update from the old record style to the new format. I was thinking that I could add an element in the SQL row to identify the object type with a unique name, and to identify the object version number. That way I could read the row and use the object number to control the deserializer to use the correct version of the class.
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Aug 10, 2009
I need some help to store a Object in an SQLite database using Android.I don't know whether it is possible or not.If it is possible means please give some code snippets to create a table which can store an object.
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Nov 21, 2009
I'm having trouble retrieving image references from my database and then setting them to an ImageView. When I pass R.drawable.icon into my database its compiled and stored as an Integer. how would I then pull this Integer out and use ImageView.setImageDrawable(); ?
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Sep 22, 2010
I am parsing the website to store the contents in a URL, in that some images are there, i want to store the images in database which are parsed from the site. i m really struggling on this, can any one help me regarding on this?
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Nov 4, 2009
I want store an image using a SQLite database in Android (using an insert statement).Also I need to retrieve the image from the SQLite database and display it on the screen.
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Apr 27, 2010
So I have an app where I put arbitrary strings in a database and later extract them like this:
CODE:......................
This works fine in all cases except for when the string looks like a float number, for example "221.123123123". After saving it to the database I can extract the database to my computer and look inside it with a DB-viewer, and the saved number is correct. However, when using cursor.getString() the string "221.123" is returned. I cant for the life of me understand how I can prevent this. I guess I could do a cursor.getDouble() on every single string to see if this gives a better result, but that feels sooo ugly and inefficient.
I just made a small test program. This program prints "result: 123.123", when I would like it to print "result: 123.123123123"
CODE:.................
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Aug 2, 2010
I've built a dialog that asks the user to pick a city from the list provided when the application first opens. The dialog works perfectly, however I want to store the user's choice so that when the app is opened a second time, it checks to see if the user has already made a selection previously. If they have, it doesn't display the dialog and defines the city variable as their previously chosen preference. And obviously, if they haven't made a selection previously (because its their first time opening the app or for some reason the app couldn't read the stored preference), it displays the dialog.
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Oct 14, 2009
I am developing an app on Android that will randomly pick and display an inspirational quotation (or verse) from a large collection of quotations. On Android I can choose between a flat file and an SQLite database. The app should satisfy the following conditions:
Be scalable to 10^6 quotations and/or verses
Be very fast (i.e. retrieve and display a quotation, immediately at the touch of a button)
Be able to load new quotations from an external source (in a format I have not yet decided)
What data format must I use?
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May 27, 2010
I am building an application where in I need to take the data (say inbox message) from a android mobile phone store it in any data base and then use the datas from Db. Here I want the datas from android mob to be directly stored in any DB. Can any one come out with a good idea.
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Jun 30, 2010
I am new to android application development.I have create registration form with user name,password, email. this values should be stored in sqlite database table. retrieve the data from the table. in login.java i have create the table and insert the values of registration form data in to the table dynamically. In databsehelper.java extends the databaseopenHelper class overwrite the oncreate and upgrade methods.this class i used this class in login.java. In display.java i am going to display the data in on success register details. there are no errors but it gives the error on the emulator unexpectedly stoped...................
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Jul 2, 2010
I am developing an application for android phone, In this I need to use at least 400 audio file which can
be played for some respective texts,Now my question is which is the optimized way to do this.One solution is putting all the audio files in the resource folder and referring from there, this will never be a feasible solution as the application size will increase. Is there any way to convert the audio file into some format and dump into the SQLite database and retrievr flexibly.
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Jul 24, 2010
I have an application which resides on the phone memory but downloads large data to the SD card on first launch (the app needs to be able to work without an internet connection most of the time) When using the recommend directory given in Froyo it seems all files on the SD card are deleted when I install a newer version of the .apk. I'd preferably like the files removed on uninstall, but not on upgrade since the files on the SD card aren't going to change between application versions, and forcing the user to re-download a large file that is independent of the application version does not seem reasonable. At the moment it seems I'm forced to use a different directory to the recommended one in order to stop Froyo deleting all the files when the application is upgraded. Am I doing something wrong, or is this how it is supposed to work (I'm guessing it is)?
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Dec 16, 2013
And it's grayed out so I can't add an account.
The phone is signed into my Google account. At least I think it is - it's rather confusing how many different things the phone can be signed into.
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Jan 14, 2010
I have a widget that displays an analog clock. What I would like is for the the widget to write to a database the time when a user clicks on the widget. I've already got the databaseHelper class and have an Activity that displays a screen showing the current date and time and writes the time to a database.The AskTheTime class extends activity and logs to the database in onCreate(). But this means that it displays only the time when the widget was started - not when it was clicked. (I guess this is because I'm starting a pendingIntent) I'm not sure If I should put the database write in another method or if I should be using Intents to do this sort of thing from widgets. Any pointers would be great! I've look at several tutorials for intents but none of them seem very clear to me.
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Jul 1, 2010
I've created a database for users. The thing is i do not know how to apply on android Java file to execute the function for user to login.
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Jan 19, 2010
Is there something like a FileDialog available? From previous threads, it appears there isn't one.
If not, has someone written one?
I want to allow a user to
a) Specify a folder/filename on storage for creating an SQLite database.
b) Specify an existing file/folder on storage card for opening as an SQLite Database.
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Apr 6, 2014
I send data to my mysql database the posted data is empty...I don't know what is wrong with my code.
[HIGH]urlConnection = (HttpURLConnection) url.openConnection();
urlConnection.setRequestMethod("POST");
urlConnection.setDoOutput(true);
urlConnection.setChunkedStreamingMode(0);
OutputStream out = new BufferedOutputStream(urlConnection.getOutputStream ());
[Code]...
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Jan 30, 2012
Am developed one login form...here post the username and password from database using webservices...now its redirect to another activity,...that another activity having firstname and lastname for particular loged person details only fetched from database using json web services...
Because more number of users are there in admin side(ajay,krish,hari).... i need who r loged(ajay) in the login page that user(ajay) details only displayed �krish loged means krish details only displayed...but i done the some coding...
<?php
$r=mysql_connect("localhost","root","");
mysql_select_db("test",$r);[code].....
..here i set usertype=A...so all A user firstname and lastname details displayed...but i need only who is loged in login page that person firstname and lastname only displayed...
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Jul 1, 2010
I managed to create the logic for the function but I have no idea how to match it with the database. I only know how to do it the hardcoding way.
Below is how I did it. I believe an sql statement should be inserted there am I right? And I know I missed out something. Before I match the username and password, I should check whether the user exist in the database first, and then check whether the password match with the username.
So in conclusion I need help on the 'if else' statement.
CODE:.........................
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Jul 22, 2010
I have a Windows web server already set up with a website (unlimited application pools) and I want to be able to access a database on that server via the Android app I'm developing. How can I do this? Can someone point me to a tutorial or give code example of how this cross-platform (Android/Java to ASP.NET/C#) communication can be done? (I'm trying to create a leader board or global scoreboard for my Android game on my server.)
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Jul 10, 2009
I created the following method for retrieving stored settings from the database:
public String getEntry(long rowIndex){
String value = "";
Cursor c = db.query(DATABASE_TABLE, new String[] {KEY_NAME, VALUE}, KEY_NAME + "=" + rowIndex, null, null, null, null);
int columnIndex = c.getColumnIndex(VALUE);
int rowsCount = c.getCount();
if(rowsCount > 0){
String value = c.getString(columnIndex);
}
return value;
}
On debugging I can see cursor c contains two columns and one row but when it comes to line
String value = c.getString(columnIndex);
it throws the CursorIndexOutOfBoundsException although columnIndex = 1 which should point to a valid entry. Does anyone know what could be wrong here?
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Sep 23, 2009
I am experiencing a problem where when the android device wake up from sleep, the Activity would take forever to get redrawn(and have to terminate it most of the time). I am not sure why, but when I comment out the code below where it retrieves an object from the database based on id stored in the bundle, the problem goes away.
Not sure why the db transaction is causing an issue.
secondly, is it better to store the object in bundle instead of storing its id and retrieving it from db in onCreate?
CODE:...............
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Mar 6, 2009
I'm try to sent/receive data from my remote db server (MySQL) , I know I can't connect the MySQL directly on android . And I'm trying to use the soap , but I'm not sure if this is the right way?I don't have any experience on it , so my question is:" what is the way to sent/receive data from remote db server " in general ? Does it have any examples I can see ?
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Jun 8, 2010
If I have a bunch of data that is never going to change (eg. an English language dictionary or the rgb values of a couple hundred color names), how do I use an SQLite database to store it? I know a database is faster than loading everything into memory when the app starts, but how do I make the database either the first time the app runs or "before" the apps ever runs?
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Aug 14, 2010
I am an android application developer. I am developing an application which requires of me to use Sqlite database. I have implemented fetching the data, but i am facing problems when i try to insert data into the Sqlite database. The problem that i am having is that the new data i enter is not fetched, i.e nothing is new is being entered into the database.
this is the method i wrote in Data.java
myDataBase is an object of SQLiteDatabase
public void insertTitle(String Recipe)
ContentValues initialValues = new ContentValues();
initialValues.put(COLUMN_NAME,value);
myDataBase.insert(ZRECIPE, null, initialValues);
}
and i create an object "d" of it in Add.java, where i call the "insertTitle()" method. But nothing is inserted.
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